Headphone case



FIG. 1 is a front perspective view of the headphone case showing my new design;

FIG. 2 is a back view of the invention;

FIG. 3 is a front view of the invention;

FIG. 4 is a side view of the invention, as seen from the left side of FIG. 3;

FIG. 5 is a side view of the invention, as seen from the right side of FIG. 3;

FIG. 6 is a top view in elevation of the invention; and,

FIG. 7 is a bottom plan view of the invention.

The broken lines in FIG. 7 depict unclaimed portions of the headphone case and form no part of the claimed design. 

CLAIM The ornamental design for a headphone case, as shown. 